SquashLevels calculations
Rebecca Williams v Carol Booth (Mon 25 Feb 2013)
Match won by Rebecca Williams. Result: 15-13,15-10,15-9.
Starting level for
Rebecca Williams:
352, level confidence: 24%.
Starting level for
Carol Booth:
238, level confidence: 55%.
Rebecca Williams to win as he is currently playing
48% better than Carol Booth.
Rebecca Williams won all of the games and 58% of the points.
This
games result would be expected if he was better by around 55% or more.
This
points result would be expected if he was better by around 41% (PAR scoring).
These are weighted and combined to calculate that Rebecca Williams played
45% better than Carol Booth in this match.
In this case, Rebecca Williams played at level 346 and remained within his allowed range so his level will not be adjusted. Consequently, Carol Booth is considered to have not played better than expected and her level will also not be adjusted.
Increase level confidence due to one more match played. Rebecca Williams: 49%, Carol Booth: 74%. Reduce level confidence based on how unexpected the result is. Rebecca Williams: 48%, Carol Booth: 74%.
A final adjustment of -0.1% has been made to both players as part of the automatic calibration that is performed after each match. All players in this pool will have been adjusted equally in order to remain equivalent to other player pools.
Final level for Rebecca Williams:
351, level confidence: 48%.
Final level for Carol Booth:
238, level confidence: 74%.